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path: root/drivers/mtd/nand/raw/nand_base.c
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Diffstat (limited to 'drivers/mtd/nand/raw/nand_base.c')
-rw-r--r--drivers/mtd/nand/raw/nand_base.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/mtd/nand/raw/nand_base.c b/drivers/mtd/nand/raw/nand_base.c
index 72f3a89da513..f28c3a555861 100644
--- a/drivers/mtd/nand/raw/nand_base.c
+++ b/drivers/mtd/nand/raw/nand_base.c
@@ -706,12 +706,17 @@ static void nand_wait_status_ready(struct mtd_info *mtd, unsigned long timeo)
*/
int nand_soft_waitrdy(struct nand_chip *chip, unsigned long timeout_ms)
{
+ const struct nand_sdr_timings *timings;
u8 status = 0;
int ret;
if (!chip->exec_op)
return -ENOTSUPP;
+ /* Wait tWB before polling the STATUS reg. */
+ timings = nand_get_sdr_timings(&chip->data_interface);
+ ndelay(PSEC_TO_NSEC(timings->tWB_max));
+
ret = nand_status_op(chip, NULL);
if (ret)
return ret;